Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jason Christopher Walker, D.C.
Chiropractor in O Fallon, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174599138
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Registry record
Entity type Individual (Type 1)
Name Dr. Jason Christopher Walker
Credential D.C.
Sex Male
Practice address 2 Eagle Ctr, Suite 2, O Fallon, IL, 62269
Phone (800) 393-1064
Fax (844) 606-9378
Enumeration date Feb 28, 2006
Last updated in NPPES Oct 10, 2016
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Jason Walker?
The National Provider Identifier (NPI) for Jason Walker is 1174599138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jason Walker practice?
The practice location on file with NPPES is in O Fallon, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-10.